Kyocera FS-1028MFP - Page 97

2H9-1
1-4-7
3500 CPU - ASIC (CCD PWB) communica-
tion error
An error code is detected.
Defective FFC
between CCD
PWB (YC1) and
control PWB
(YC8).
Replase the image scanner unit (ISU) (See
page 1-5-21).
Defective CCD
PWB.
Replace the CCD PWB.
Defective control
PWB.
Replace the control PWB (See page 1-5-
39).
4000 Polygon motor (laser scanner unit)
error
The polygon motor ready input is not
given for 6 s during the polygon motor is
ON.
Defective harness
between polygon
motor and control
PWB (YC10), or
improper connec-
tor insertion.
Reinsert the connector. Also check for conti-
nuity within the connector harness. If none,
remedy or replace the harness.
Defective laser
scanner unit.
Replace the laser scanner unit (See page 1-
5-17).
Defective control
PWB.
Replace the control PWB (See page 1-5-
39).
4200 BD error (laser scanner unit) error BD sensor does
not detect laser
beam due to con-
densation on the
polygon mirror.
Turn printer power off for at least 30 min-
utes, then turn printer on again. If not cured,
replace the laser scanner unit (See page 1-
5-17).
Defective laser
scanner unit.
Replace the laser scanner unit (See page 1-
5-17).
Defective control
PWB.
Replace the control PWB (See page 1-5-
39).
6000 Broken fuser heater lamp wire
The fuser temperature does not rise
after the fuser heater lamp has been
turned on.
Poor contact in the
fuser thermistor
connector termi-
nals.
Reinsert the connector (See page 1-5-34).
Poor contact in the
fuser heater lamp
connector termi-
nals.
Reinsert the connector (See page 1-5-34).
Fuser thermistor
installed incor-
rectly.
Replace the fuser unit (See page 1-5-34).
Fuser thermal cut-
out triggered.
Replace the fuser unit (See page 1-5-34).
Fuser heater lamp
installed incor-
rectly.
Replace the fuser unit (See page 1-5-34).
Broken fuser
heater lamp wire.
Replace the fuser unit (See page 1-5-34).
6020 Abnormally high fuser thermistor
temperature
Fuser thermistor detects abnormally
temperature.
Shorted fuser ther-
mistor.
Replace the fuser unit (See page 1-5-34).
Defective control
PWB.
Replace the control PWB (See page 1-5-
39).
Code Contents
Remarks
Causes Check procedures/corrective measures